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 * Copyright (c) 2008-2009, The KiWi Project (http://www.kiwi-project.eu)
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
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 * Contributor(s):
 * sschaffe
 * 
 */
package kiwi.core.service.search;

import kiwi.core.api.config.ConfigurationService;

/**
 * A component that schedules the periodic recreation of the semantic vectors index. By default,
 * the task runs asynchronously every 30 minutes. The scheduler is started on postInitialization, 
 * i.e. when the Seam system has finished starting completely.
 *
 * @author Sebastian Schaffert
 *
 */
@Name("kiwi.core.semanticIndexingScheduleController")
@AutoCreate
public class SemanticIndexingScheduleController {

	@Logger
	private Log log;
	
	@Inject
	private ConfigurationService configurationService;
	
	@Inject("kiwi.core.semanticIndexingScheduleProcessor")
	private SemanticIndexingScheduleProcessor processor;
	
	
	@Observer("org.jboss.seam.postInitialization")
	public void initScheduler() {
		String interval = configurationService.getConfiguration("scheduler.semindex.cron","0 34 2 * * ?");
		log.info("scheduling semantic indexing (interval: #0 minutes)",interval);
		processor.scheduleIndexing(interval);		
	}

}
